Transcription Factor Dynamics in Cancer Biology

Transcription factors are master regulators of gene expression, guiding the programmes that control cell growth, differentiation and stress responses. In cancer biology, the dynamic interplay of transcription factors with chromatin and signalling networks dictates tumour initiation, progression and resistance to therapy. Rapid changes in transcription factor abundance, post-translational modifications and subcellular localisation enable cancer cells to rewire gene expression in response to micro-environmental cues and genotoxic stress. Moreover, cooperative and competitive interactions among different factors establish regulatory hierarchies that drive oncogenic programmes or, conversely, restrain malignant transformation. Recent advances in single-cell and live-cell imaging have illuminated how transcription factor binding kinetics and chromatin accessibility evolve over time in individual tumour cells, revealing heterogeneity that underlies therapeutic failure. A detailed understanding of these dynamic processes offers routes to novel biomarkers and targeted interventions that disrupt the adaptive capacity of cancer cells while sparing normal tissues.

Research from Nature Portfolio

Recent studies have shown that activating transcription factor 3 (ATF3) can directly interact with the p65 subunit of NF-κB, recruiting histone deacetylase 1 to deacetylate p65 and thereby attenuate inflammatory gene expression. This work highlights a mechanism by which a stress-responsive transcription factor exerts negative feedback on a major oncogenic signalling pathway, illustrating the importance of dynamic factor–factor and factor–chromatin interactions in shaping tumour inflammation and immune evasion.

Transcription Factor Dynamics in Cancer Biology publication trend

The graph below shows the total number of articles in transcription factor dynamics in cancer biology across all publications each year (not limited to Nature Index journals).

Technical terms

Transcription factor: Protein that recognises specific DNA sequences to regulate the initiation of gene transcription.

Chromatin accessibility: Degree to which DNA is exposed within chromatin, affecting the ability of transcription factors to bind regulatory regions.

Post-translational modification: Chemical alteration of a protein after synthesis, which can modulate its activity, stability or interactions.

NF-κB: Family of inducible transcription factors central to inflammatory signalling and cell survival pathways.

Epigenetic regulation: Heritable changes in gene expression that occur without alteration of the DNA sequence, commonly through histone modifications or DNA methylation.

ATF3: Stress-induced transcription factor that can act as either an activator or repressor in tumour and inflammatory contexts.

SP1: Zinc-finger transcription factor that binds GC-rich promoter elements to control genes involved in proliferation, apoptosis and metastasis.

References

1. Activating transcription factor 3 represses inflammatory responses by binding to the p65 subunit of NF-κB. Scientific Reports (2015).
2. The Dual Roles of Activating Transcription Factor 3 (ATF3) in Inflammation, Apoptosis, Ferroptosis, and Pathogen Infection Responses. International Journal of Molecular Sciences (2024).
3. P4HA2 promotes tumor progression and is transcriptionally regulated by SP1 in colorectal cancer. Cancer Biology & Therapy (2024).
4. Jun Dimerization Protein 2 (JDP2) Increases p53 Transactivation by Decreasing MDM2. Cancers (2024).